Texas Instruments

PCM2902CDBR

PCM2902CDBR Description

The PCM2902CDBR is a high-performance stereo audio CODEC (coder-decoder) from Texas Instruments, designed for applications requiring high-quality audio conversion and USB connectivity. This device features two ADCs (analog-to-digital converters) and two DACs (digital-to-analog converters), both with 16-bit resolution, providing excellent signal fidelity and dynamic range.

PCM2902CDBR Features

• Dynamic Range: The PCM2902CDBR boasts a typical dynamic range of 89dB for ADCs and 93dB for DACs, ensuring accurate audio reproduction and minimal distortion.
• Signal-to-Noise Ratio: With a typical S/N ratio of 89dB for ADCs and 96dB for DACs, this CODEC delivers clear, noise-free audio signals.
• Data Interface: The PCM2902CDBR supports USB data interface, making it ideal for applications requiring digital audio transfer over USB.
• Voltage Supply: This device operates on a 3.1V to 3.5V supply voltage, suitable for both digital and analog sections, simplifying power management.
• Mounting Type: The PCM2902CDBR is available in a surface-mount package, facilitating integration into PCB designs.
• Resolution: The 16-bit resolution of both ADCs and DACs ensures high audio quality and precision.
• Sigma Delta: The inclusion of sigma-delta technology enhances the accuracy and stability of the audio signal conversion.
• RoHS Compliance: This product is compliant with the RoHS3 directive, making it suitable for environmentally conscious applications.

PCM2902CDBR Applications

The PCM2902CDBR is ideal for a variety of applications where high-quality audio conversion and USB connectivity are required:

• Portable Audio Devices: Due to its small form factor and low power consumption, it is perfect for portable music players and recorders.
• Computer Audio Interfaces: The USB interface makes it suitable for computer audio interfaces, providing high-quality audio input and output.
• Teleconferencing Systems: The PCM2902CDBR can be used in teleconferencing systems to provide clear, distortion-free audio.
• Professional Audio Equipment: Its high dynamic range and signal-to-noise ratio make it suitable for professional audio equipment, such as mixing consoles and digital audio workstations.

Conclusion of PCM2902CDBR

The PCM2902CDBR from Texas Instruments is a versatile and high-performance stereo audio CODEC, offering excellent dynamic range, signal-to-noise ratio, and USB connectivity. Its 16-bit resolution, sigma-delta technology, and RoHS compliance make it an ideal choice for a wide range of audio applications, from portable devices to professional audio equipment. With its unique combination of features and performance, the PCM2902CDBR stands out as a superior solution in the audio CODEC market.